Ultrasound stimulated release and catalysis using polyelectrolyte multilayer capsules

Andre G. Skirtach; Bruno G. De Geest; Arif Mamedov; Alexei A. Antipov; Nicholas A. Kotov; Gleb B. Sukhorukov

doi:10.1039/B609934C

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Journal of Materials Chemistry

Issue 11, 2007

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Ultrasound stimulated release and catalysis using polyelectrolyte multilayer capsules

Andre G. Skirtach , Bruno G. De Geest , Arif Mamedov , Alexei A. Antipov , Nicholas A. Kotov and Gleb B. Sukhorukov

J. Mater. Chem., 2007, 17, 1050-1054

DOI: 10.1039/B609934C
Received 12 Jul 2006, Accepted 22 Nov 2006
First published on the web 11 Dec 2006

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Abstract
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Ultrasound has been used to trigger release of encapsulated material from polyelectrolyte multilayer capsules. Sonication was found to destroy both plain and nanoparticle-modified capsules. Cavitation occurs through the collapse of generated microbubbles and the resulting shear forces should cause the destruction of the polyelectrolyte capsules. Application in catalysis is demonstrated in this paper, while further potential usage of ultrasound triggered release is anticipated in bio-medical applications.

Articles By

Andre G. Skirtach
Bruno G. De Geest
Arif Mamedov
Alexei A. Antipov
Nicholas A. Kotov
Gleb B. Sukhorukov

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Journal of Materials Chemistry

Ultrasound stimulated release and catalysis using polyelectrolyte multilayer capsules

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